FLEXIBLE SUBSTRATE FOR DISPLAY DEVICE AND DISPLAY DEVICE USING THE SAME - The present disclosure relates to a flexible substrate for a display device including a plastic layer containing a woven glass fiber, a metal film coated on either both side surfaces or one surface of the plastic layer, and an overcoating layer formed on one surface of the metal film wherein the overcoating layer is on the side of the metal film opposite from the plastic layer, and to a display device using the flexible substrate. The flexible substrate is thin, and has small thermal expansion coefficient, excellent flexibility, heat resistance, gas permeability resistance and moisture blocking property. The flexible substrate can be used in various display devices such as a TV, a notebook computer, a cellular phone, or an electronic paper.

Functionalized metal nanoparticle, buffer layer including the same and electronic device including the buffer layer - Disclosed herein is a functionalized metal nanoparticle, a buffer layer including the functionalized metal nanoparticle, and an electronic device including the buffer layer. The buffer layer including the functionalized metal nanoparticle according to example embodiments may improve the injection of electrons or holes and the charge mobility between layers in the electronic device, may form ohmic contacts, and may improve the selectivity between electrodes and the buffer layer at the time of forming the buffer layer on the electrodes, thereby improving the efficiency of the electronic device.

12-04-2008

20090072719

Passivation film and electronic display device including the passivation film - Example embodiments relate to a passivation film for protecting an electronic device. The passivation film may include a myelin layer. The myelin layer may have a thickness of about 100 Å to 10 μm. The passivation film may further include an inorganic film. Example embodiments also relate to an electronic display device including a substrate, an organic light-emitting device (OLED) disposed on the substrate, and a myelin layer disposed on the organic light-emitting device. A plurality of myelin layers and a plurality of inorganic films may be alternately stacked on the organic light-emitting device in lieu of a single myelin layer.

03-19-2009

20090073349

THREE-DIMENSIONAL MICROFABRICATION METHOD USING PHOTOSENSITIVE NANOCRYSTALS AND DISPLAY DEVICE - Example embodiments provide a three-dimensional microfabrication method using photosensitive nanocrystals is provided. The method comprises the steps of preparing a photosensitive composition comprising a photocurable compound and nanocrystals whose surface is coordinated with a compound having a photosensitive group, applying the photosensitive composition to a substrate and drying the photosensitive composition to form a thin film, and subjecting the thin film to three-dimensional microfabrication. According to the method, nanocrystals are arranged in a three-dimensional array to form photonic crystals or a three-dimensional structure. The three-dimensional structure can be used for the fabrication of micro-electro-mechanical systems (MEMS), thus contributing to the manufacture of display devices and electronic devices on a nanometer scale. Example embodiments also provide a display device using the three-dimensional structure of nanocrystals.

03-19-2009

20090121216

Organic thin film transistor having surface-modified carbon nanotubes - An organic thin film transistor may comprise an organic semiconductor layer having surface-modified carbon nanotubes and an electrically-conductive polymer. The surfaces of the carbon nanotubes may be modified with curable functional groups, comprising oxirane groups and anhydride groups. A room-temperature solution process may be used to provide a relatively uniform and relatively highly-adhesive organic semiconductor layer in a simple and economical manner. Additionally, the organic thin film transistor having the organic semiconductor layer may have relatively high charge carrier mobility and relatively low threshold voltage.

05-14-2009

20090206520

Photosensitive composition, microfabrication method using the same, and microfabricated structure thereof - Disclosed herein may be a photosensitive composition, a microfabricated structure including the same, a device including the microfabricated structure, and methods of fabricating the microfabricated structure and the device. The photosensitive composition, including a multifunctional photosensitive resin, a two-photon photosensitizer, an organic solvent, and a silver compound, may be subjected to two- or three-dimensional microfabrication, thus realizing the microfabricated structure containing silver nanoparticles.

08-20-2009

20090258237

GRADED COMPOSITION ENCAPSULATION THIN FILM COMPRISING ANCHORING LAYER AND METHOD OF FABRICATING THE SAME - Disclosed herein is a graded composition encapsulation thin film and a fabrication method thereof. The encapsulation thin film comprises a substrate, a graded composition layer and an anchoring layer interposed therebetween. The anchoring layer serves to improve the adhesion between the graded composition layer and the substrate and creates advantageous conditions for the formation of the graded composition layer. Due to the presence of the anchoring layer, the encapsulation thin film has excellent barrier properties against the permeation of moisture and oxygen and is highly resistant to diffusion of other chemical species.

10-15-2009

20090305062

METHOD FOR FABRICATING MULTILAYERED ENCAPSULATION THIN FILM HAVING OPTICAL FUNCTIONALITY AND MUTILAYERED ENCAPSULATION THIN FILM FABRICATED BY THE SAME - A method for fabrication of a multilayered encapsulation thin film having optical functionality and a multilayered encapsulation thin film fabricated thereof includes a reactive or a non-reactive PVD process using a physical vapor deposition device containing multiple targets in a vacuum chamber is conducted or the above processes are alternately conducted such that the multilayered encapsulation thin film consisting of multiple layers with different densities and refractive indexes may be easily fabricated. In addition, the multilayered encapsulation thin film fabricated by the same has superior ability for inhibiting moisture and/or oxygen penetration sufficient to be used as an encapsulation material, controls a refractive index distribution for multiple layers in fabrication of a multilayered thin film so as to function as an anti-reflection film, and improves light output of a device.

12-10-2009

20100021691

THIN LAYER HAVING COMPOSITION GRADIENT AND PRODUCTION METHOD THEREOF - Disclosed herein are a thin layer having a composition gradient and a method for the production of the thin layer. According to the method, the thin layer is produced by subjecting a mixture of one or more organic materials and one or more inorganic materials to a sol-gel process. The composition gradient and the surface energy of the thin layer are controlled during production, leaving no interfacial failure defects.

MULTILAYER FILM, METHOD FOR MANUFACTURE THEREOF AND ARTICLES INCLUDING THE SAME - A multilayer film is provided. The multilayer film includes a barrier layer and an adhesive layer underlying the barrier layer. The adhesive layer contains a block copolymer that can phase separate into two or more different domains. The multilayer film has good gas and moisture barrier properties and is highly flexible. Therefore, the multilayer film can be effectively used in manufacturing encapsulation structures for electronic devices. In addition, the multilayer film is suitable for use as a substrate for a device. Further provided are a method for producing the multilayer film and an encapsulation structure including the multilayer film.

CENTRIFUGAL FORCE BASED MICROFLUIDIC DEVICE, BIOCHEMICAL TREATMENT SYSTEM HAVING THE SAME, AND METHOD OF FABRICATING THE MICROFLUIDIC DEVICE - Provided are a centrifugal force-based microfluidic device in which biochemical treatments of samples are executed, a biochemical treatment system including the centrifugal force-based microfluidic device, and a method of fabricating the centrifugal force-based microfluidic device. The centrifugal force-based microfluidic device includes a rotational platform including a unit to perform biochemical treatments of samples and a mounting hole defined within to which a turntable including a magnetic force generator is inserted; and a cap coupled to the rotational platform closing a side of the mounting hole opposite to a side in which the turntable is inserted, and including a part formed of a ferromagnetic material pulled by magnetic force generated by the magnetic force generator.

METHOD OF ADJUSTING BRIGHTNESS OF ILLUMINATION DEVICE AND BIO DISK DRIVE USING THE METHOD - Provided are a method and apparatus for adjusting brightness of an illumination device that is used in photographing an analysis object in a bio disk. The method includes taking images of an analysis object in a bio disk; calculating brightness of the images of the analyzing object; and adjusting brightness of an illumination device which is used in the photographing operation of the analysis object in the bio disk based on a difference between the calculated brightness and a target brightness.

09-30-2010

20100253771

SYSTEM AND METHOD FOR CHECKING STATE OF ROTATOR - Provided are a system and method for checking a state of a rotator. The system includes: a position recognition sensor that senses a position of a rotator and generates a position synchronization signal corresponding to the position of the rotator; a control unit that detects a position of a detection specimen existing in the rotator based on the position synchronization signal and generates an image photographing control signal corresponding to the detected position of the detection specimen; and a camera system that photographs an image of the detection specimen existing in the rotator based on the image photographing control signal. Accordingly, movement of a detection specimen existing in the rotator when the rotator stops rotating or whether a detection specimen being rotated is centrifuged, moved, or dried is monitored and controlled, thereby checking a change in a state of the detection specimen in the process of development of the rotator and checking whether each of operations of the system is completed.

NANOSTRUCTURED THIN FILM AND METHOD FOR CONTROLLING SURFACE PROPERTIES THEREOF - Disclosed herein is a nanostructured thin film. The nanostructured thin film comprises a nanoparticle layer and a number of micro-undulated surfaces formed on the nanoparticle layer. The two micro-undulated structures of the nanostructured thin film are uniformly introduced over a large area. This configuration makes it easy to control the surface properties of the nanostructured thin film. Therefore, the nanostructured thin film can be widely applied to a variety of devices. Also disclosed herein is a method for controlling the surface properties of the nanostructured thin film.

11-04-2010

20100289018

CYCLOPENTAPHENANTHRENE-BASED COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - Provided are a cyclopentaphenanthrene-based compound and an organic EL device using the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, and color stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, a light-emitting layer in an organic EL device, and as an organic dye or an electronic material such as a nonlinear optical material.

11-18-2010

20100298607

CYCLOPENTAPHENANTHRENE-BASED COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - Provided are a cyclopentaphenanthrene-based compound and an organic EL device using the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, and color stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, a light-emitting layer in an organic EL device, and as an organic dye or an electronic material such as a nonlinear optical material.

11-25-2010

20100323298

Photosensitive composition, microfabrication method using the same, and microfabricated structure thereof - Disclosed herein may be a photosensitive composition, a microfabricated structure including the same, a device including the microfabricated structure, and methods of fabricating the microfabricated structure and the device. The photosensitive composition, including a multifunctional photosensitive resin, a two-photon photosensitizer, an organic solvent, and a silver compound, may be subjected to two- or three-dimensional microfabrication, thus realizing the microfabricated structure containing silver nanoparticles.

12-23-2010

20110003985

CYCLOPENTAPHENANTHRENE-BASED COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - Provided are a cyclopentaphenanthrene-based compound and an organic EL device using the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, and color stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, a light-emitting layer in an organic EL device, and as an organic dye or an electronic material such as a nonlinear optical material.

Nanofiber-nanowire composite and fabrication method thereof - Example embodiments are directed to a nanofiber-nanowire composite includes a polymer nanofiber; and a plurality of nanowires of a metal oxide extending from inside to outside of the polymer nanofiber and covering the polymer nanofiber. According to example embodiments, a method of fabricating a nanofiber-nanowire composite includes forming a nanofiber including a metal seed; and growing nanowires of a metal oxide from the metal seed to the outside of the nanofiber.